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package lab8;


public class Necunoscuta extends Nod {

    @Override
    public double calcul() {
        return super.x;
    }

    @Override
    public String derivare() {
        return "1";
    }

    @Override
    public double calculDerivata() {
        return 1;
    }

    @Override
    public String toString() {
        return "x";
    }
    
}
